<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <link rel="shortcut icon" href="imgs/huawei.ico"/>
    <!-- 1. 引入bootstrap.css -->
    <link rel="stylesheet" href="../plugins/bootstrap-3.4.1-dist/css/bootstrap.css">

    <title>华为山寨</title>
    <style>
        #login_div{
            /* border:1px solid red; */
            margin-top: 80px;
            padding: 30px;
            box-shadow: 2px -2px 6px #ccc;
            border-radius: 10px;
        }

        #user_enter{
            color: white;
            text-shadow: 2px 2px 4px #000;
        }
    </style>
</head>
<body>
    <!-- 导航begin -->
    <div class="container-fluid">
        <!-- 定义一行 -->
        <div class="row">
            <nav class="navbar navbar-inverse" role="navigation">
                <div class="container-fluid"> 
                <div class="navbar-header">
                    <button type="button" class="navbar-toggle" data-toggle="collapse"
                            data-target="#example-navbar-collapse">
                        <span class="sr-only">切换导航</span>
                        <span class="icon-bar"></span>
                        <span class="icon-bar"></span>
                        <span class="icon-bar"></span>
                    </button>
                    <a class="navbar-brand" href="#">华为商城</a>
                </div>
                <div class="collapse navbar-collapse" id="example-navbar-collapse">
                    <ul class="nav navbar-nav navbar-right">
                        <li class="active"><a href="login.html">登录</a></li>
                        <li><a href="index.html">首页</a></li>
                        <li><a href="cart.html">我的购物车</a></li>
                        <li><a href="#">我的订单</a></li>
                        <li><a href="#">安全退出</a></li>
                        <li><img src="../imgs/001.png" style="width: 50px;height: 50px;border-radius: 50%;" alt=""></li>
                    </ul>
                </div>
                </div>
            </nav>
        </div>
    </div>
    <!-- 导航end -->

    <!-- 登录begin -->
    <div class="container">
        <div class="row" id="login_div">
            <form class="form-horizontal" role="form">
                <fieldset>
                    <legend><h3 id="user_enter">用户登录入口</h3></legend>
                <div class="form-group has-feedback">
                  <label for="firstname" class="col-sm-2 control-label">用户名</label>
                  <div class="col-sm-6">
                    <input type="text" class="form-control" id="username" placeholder="请输入用户名">
                    <span class="form-control-feedback glyphicon glyphicon-user"></span>
                </div>
                </div>
                <div class="form-group has-feedback">
                  <label for="lastname" class="col-sm-2 control-label">密码</label>
                  <div class="col-sm-6">
                    <input type="text" class="form-control" id="password" placeholder="请输入密码">
                    <span class="form-control-feedback glyphicon glyphicon-lock"></span>
                </div>
                </div>
                <div class="form-group">
                  <div class="col-sm-offset-2 col-sm-10">
                    <div class="checkbox">
                      <label>
                        <input type="checkbox" id="me">请记住我
                      </label>
                    </div>
                  </div>
                </div>
                <div class="form-group">
                  <div class="col-sm-offset-2 col-sm-10">
                    <button type="button" onclick="login()" class="btn btn-default">登录</button>
                  </div>
                </div>
                 </fieldset>
              </form>
        </div>
    </div>

    <!-- 登录end -->
    

    <!-- 必须先引入jquery.min.js -->
    <script src="../plugins/jquery.min.js"></script>
    <!-- 引入bootstrap.js -->
    <script src="../plugins/bootstrap-3.4.1-dist/js/bootstrap.js"></script>

    <script>
        $(function(){
          //当dom加载完毕之后,会自动执行此处的js代码.
          //从本地存储中获取username和pwd的值
          let uname = localStorage.getItem("username");
          let pwd = localStorage.getItem("pwd");

          //js写法
          document.getElementById("username").value = uname;
          //jquery写法
          $("#password").val(pwd);
        })

        function login(){
          //1. 判断记住密码是否选中
          let ck = document.getElementById("me");
          let username = document.getElementById("username").value;
          //jquery获取的方式
          let pwd = $("#password").val();
          if(ck.checked){
             //h5里面的本地存储 - key和value的方式 - 都是一个字符串.
             localStorage.setItem("username",username);
             localStorage.setItem("pwd",pwd);
          }else{
            //清空本地缓存
            //localStorage.clear();
            localStorage.removeItem("username");
            localStorage.removeItem("pwd");
          }

          if(username == "admin" && pwd == "123"){
             //TODO... 
             localStorage.setItem('carts','{"admin":[]}');
            //跳转...
            window.location="index.html";
          }
        }
    </script>
</body>
</html>